نتایج جستجو برای: principal normal stress
تعداد نتایج: 1083280 فیلتر نتایج به سال:
Abstract This paper highlights the role of Lewis’ Principal Principle and certain auxiliary conditions on admissibility as serving to explicate normal informal standards what is reasonable. These considerations motivate presuppositions argument that implies Indifference, put forward by Hawthorne et al. ( British Journal for Philosophy Science, 68 , 123–131, 2017). They also suggest a line respo...
Theorists have posited that regarding a trauma as central to one's identity leads to greater posttraumatic stress disorder (PTSD) symptom severity. To test this hypothesis, we administered the Centrality of Events Scale (CES) to women reporting a history of childhood sexual abuse (N = 102). The CES scores were correlated with PTSD symptom severity, depression severity, and self-esteem. In addit...
INTRODUCTION The P2X7 receptor plays a crucial role in bone biology and inflammation. Its main function is to promote necrotic tissue metabolism by ensuring a normal acute-phase inflammatory response. We used a mouse model to describe and compare orthodontic mechanotransduction in wild-type and P2X7 knock-out mice. METHODS By using finite element analysis, mouse orthodontic mechanics were sca...
the relationship between qt dispersion and myocardial ischemia is still controversial. therefore, we aimed to investigate the relationship between qtd and the severity and extent of myocardial ischemia. in this cross-sectional study, 141 patients having symptoms of cad who referred to our medical center during 2009-2010, and were examined with myocardial isotope scan and ecg, were enrolled. bas...
The formation of a rich underground-seam network is the key problem in development low-permeability hot dry rock (HDR) resources. Considering lack macroscopic continuum theory to study hydraulic fracturing having preset fracture-interface element, particle-flow method micro-mechanical discrete-element introduced simulate mechanical behavior for HDR low permeability reservoirs. reservoir simulat...
The present study was conducted to investigate the genetic diversity and evaluate the drought tolerance indices on 16 genotypes of faba been based on split plot design with three replications in Agricultural Research Center of Borujerd. Irrigation regimes as the including normal and drought stress levels and genotypes were considered as the main and sub plot,respectively. Analysis of variance f...
Although rocks, at least some of them, are nearly as old as the Earth itself, their behavior continues to play an important role in a variety of applications and phenomena of societal interest. These include natural disasters, such as landslides, volcanic eruptions and earthquakes. Rocks are widely used for building materials, foundations, tunnels and underground facilities. Most of the worlds...
BACKGROUND A man-made chemical disaster occurred in the Amur River, leading to posttraumatic stress disorder (PTSD) in the Nanai people indigenous to the river's surrounding area. PTSD severity measured by the total scores of Impact of Event Scale-Revised (IES-R) (Total-I) and Clinician-Administered PTSD Scale (CAPS) (Total-C) were not always identical in terms of demographic and ethnocultural ...
analysis and prediction of structural response to static or dynamic loading requires prediction of concrete response tovariable load histories. the constitutive equations for the mechanical behavior of concrete capable of seeing damage effects or crack growth procedure under loading/unloading/reloading was developed upon micro-plane framework. the proposed damage formulation has been built on t...
objective: this study was designed to compare the stress produced at the pdl of abutment teeth with two angles of cervical convergence, in otherwise similar settings. materials and methods: two finite element models were designed for a second premolar and a removable partial denture frame containing an i-bar clasp. maximum principal stress (s1) and von mises stress (seqv) were assessed along a ...
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